const mongoose = require('mongoose');
const config = require('config');
mongoose.connect(`mongodb://${config.get('db.user')}:${config.get('db.pwd')}@${config.get('db.host')}:${config.get('db.port')}/${config.get('db.name')}`,{useUnifiedTopology: true, useNewUrlParser: true,useCreateIndex: true})
    .then(()=>console.log('数据库连接成功'))
    .catch(()=>console.log('数据库连接失败'))
